Ruisseau· 3 segments
Puhatu oja
Crosses 2 administrative regions : Illuka, Vaivara
Total length
12km
Max discharge
0,6m³/s
Max Strahler
2
Segments matched
3
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- IllukaIda-Viru · Estonia24.9 kmin this dpt
- VaivaraIda-Viru · Estonia2.2 kmin this dpt
23 intersecting protected areas
Alutaguse rahvuspark
IUCN Not AssignedNational park
Puhatu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Puhatu
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Agusalu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Agusalu
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Agusalu
IUCN IbWetland of International Importance (Ramsar Site)
Managed conservation zone of national park
Alutaguse RP, Laukasoo skv.
IUCN IVManaged conservation zone of national park
Managed conservation zone of national park
14 more protected areassorted by area
Alutaguse RP, Repna skv.
IUCN IVManaged conservation zone of national park
Alutaguse RP, Puhatu pv.
IUCN VILimited management zone of national park
Alutaguse RP, Lutsina skv.
IUCN IVManaged conservation zone of national park
Managed conservation zone of national park
VEP nr.103048
IUCN Not AssignedWoodland key habitat
VEP nr.103047
IUCN Not AssignedWoodland key habitat
VEP nr.212817
IUCN Not AssignedWoodland key habitat
VEP nr.E01766
IUCN Not AssignedWoodland key habitat
VEP nr.E00005
IUCN Not AssignedWoodland key habitat
VEP nr.212816
IUCN Not AssignedWoodland key habitat
VEP nr.E00001
IUCN Not AssignedWoodland key habitat
VEP nr.103050
IUCN Not AssignedWoodland key habitat
VEP nr.211119
IUCN Not AssignedWoodland key habitat
VEP nr.E01765
IUCN Not AssignedWoodland key habitat
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
264 distinct species · 1 639 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Puhatu oja : 20 espèces reliées par 38 interactions GloBI sur 4 types (connectance 10.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
12km
Max discharge
0,6m³/s
Max Strahler
2
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.